Today is the fifth (of May).

今天是（五月）五号。

《牛津词典》

It's the fifth time that I've been to America.

这是我第五次去美国了。

《牛津词典》

Indonesia is the fifth most populous country in the world.

印度尼西亚是世界上人口第五大国。

《柯林斯英汉双解大词典》

And it said this week that final results will likely show two thousand nine was the fifth-warmest year on record.

VOA: special.2009.12.12

Three plus five. I can take something to a power, double star, just take three to the fifth power.

+5，我也可以,求一个数的次方，例如求3的5次方。

麻省理工公开课 - 计算机科学及编程导论课程节选

And we talked about a triad being a configuration of three pitches where you take the first, the third and the fifth.

三和弦是由三个音高配置成的，你们可选取第一，第三和第五个音。

耶鲁公开课 - 聆听音乐课程节选

After his release, Mr Chavez established the Fifth Republic Movement, which would lead him to power in 1998.

BBC: Hugo Chavez death: Thousands march with coffin

Cleveland's only hit was Ryan Raburn's RBI double in the fifth off Josh Lueke.

NPR: Rays Overcome Rain, Indians 9-2

Research shows China will in four years be the fifth-largest retailing market in the world.

FORBES: Scott's Wal-Mart Ramps It Up In China